at kathy and jim doherty's house, several blocks away from the explosion, they came home to broken glass and cracks in the ceiling. >> i can't explain, i know i'll never hear anything that loud again. >> reporter: authorities are allowing only some residents to see their homes. >> we're very, very fortunate. lot of people have lost everything. >> reporter: people closest to the worst damage were told overnight it could be another week before they get back in, they're still worried about broken gas pipes or pipes connected to the plant, causing another deadly explosion. no one here wants to relive this. 14 people were killed. federal investigators are here. they still haven't shared what they think caused the plant to blow. homeowners they're letting in now, still live far away from the plant that exploded. it is several streets, several city blocks that way. workers there now say, walls around the building are still crumbling and the fire there is still smoldering. they may have to live this way for months. for "good morning america," steve osunsami, abc news, west, texas. >>> and finall